Energy variation principle is a good method to solve the shear lag effect.
能量变分法是求解剪力滞问题的一个有效方法。
In the design of these Bridges, the designer must consider the effect of shear lag.
在这些桥梁的设计中，设计人员必须考虑剪力滞效应的影响。
The contribution of tension flange to the flexural strength of the beam; shear lag concept.
梁的受拉翼缘对受弯承载力的贡献；剪力滞。
The spline Ritz method was proposed and used to analyse the shear lag effect of box girders.
结合样条函数和里兹法提出薄壁箱形梁剪力滞效应计算的样条里兹法。
One simplified mechanics model based on elastic cylinder theory and shear lag model is proposed.
在弹性圆筒理论和剪滞模型基础上提出了考虑界面相与界面层效应的力学简化模型。
Theoretical method of analyzing the effect of shear lag in bridge structures has some deficiency.
分析桥梁结构剪力滞效应的理论方法有许多不足之处。
Analysis of shear lag effect in thin-walled box girders with one-dinensional dicrete finite element;
应用作者建立的有限段模型，对简支箱梁进行剪滞效应分析，发现变高度简支梁存在负剪力滞。
The analysis of shear lag has an important significance on safety and economy to the design of modern Bridges.
剪力滞效应的分析对于现代桥梁设计的安全性和经济性有较大意义。
The influences of three longitudinal displacement differential functions upon the shear lag are also discussed.
并探讨了不同纵向位移差函数对剪力滞的影响。
When box beam is bent, the assumption that the section is plane is not satisfied and the shear lag is produced.
箱形梁弯曲时，平截面假定已不能满足要求，产生剪力滞效应。
Furthermore, if the shear lag deformation is also neglected, the equations are transformed into Vlasov equation.
如果将剪滞变形一并忽略，则方程蜕变为符拉索夫方程。
Considering the influence of shear lag effect, displacements of framed tube structures are derived in this paper.
考虑剪力滞后效应影响推导出了框筒结构位移解析解。
In this paper, the shear lag effect in box girder Bridges is analysed by means of variational calculus and finite strip method.
本文应用变分法和有限条法分析箱形梁桥的剪滞效应。
The traditional shear lag theory of stress transfer in short fiber reinforced metal matrix composites was modified and improved.
对短纤维增强金属基复合材料应力传递的传统剪滞理论进行了修正和改进。
The homogeneous solution of the differential equation for the shear lag was taken as the displacement pattern of finite segment.
取控制微分方程的齐次解作为梁段的有限元位移模式。
The elastic plastic deformation and stresses of the micro composite are studied according to the shear lag theory and strain-hardening law.
按剪滞理论和应变硬化规律研究微复合材料的弹塑性变形和应力状态。
In the analysis and design of steel-concrete composite beams, the concept of effective flange width is introduced to consider the impact of shear lag.
钢与混凝土组合梁的设计和分析中，通过引入有效翼缘宽度的概念考虑混凝土翼板中剪力滞后的影响。
The negative shear lag effect of the cantilever and continuous girders is studied and the parameters which influence the shear lag effect is analysed.
就悬臂梁的负剪力滞现象进行理论分析和推导，并结合实际算例来对悬臂梁负剪力滞现象进行参数分析。
By employing the shear lag theory, the basic equations of interfacial mechanics for the elastic zone and the plastic zone are established respectively.
利用界面应力剪滞理论，分别建立弹性区和塑性区的界面力学基本方程。
The adoption of the thin-walled box girder to the Y-shape bridge makes the restrained torsion effect, distortion effect and shear lag effect prominent.
人字形桥梁由于采用了薄壁箱梁结构，其约束扭转、畸变效应及剪力滞比较突出。
On the basis of the variational method, a finite difference solution is presented for shear lag effect in Qiantang River Bridge with box section of varying depth.
本文结合钱塘江二桥应用变分法推导了变截面箱形梁剪滞效应的微分方程并利用有限差分法求得解答。
Based on the displacement variational principle, a new element is developed for buckling analysis of thin-walled members with shear lag effect in the present paper.
根据位移变分原理，本文提出一种纯压或纯弯薄壁杆件稳定分析的新单元。
The shear lag effect of the section under concentrated load is more remarkable than that of other sections. National Standard (JTJ023-85) is worth discussing further.
集中力作用处剪力滞效应与其它截面相比明显增大，我国现行桥规（JTJ023-85）中关于有效宽度取全桥等宽的说法需要进一步研究。
The displacement variational principle was used to develop the spline finite member element method for buckling analysis of thin walled members with shear lag effect.
根据势能驻值原理 ，提出在横向荷载作用下薄壁杆件稳定分析的样条有限杆元法。
The flexural deformation and forces can be calculated by the equivalent continuous system method, in which the main influencing parameters of shear lag are discus sed.
用等效连续体法对弯曲变形及内力进行分析，分析了影响框筒结构剪力滞的主要因素。
On the basis of the governing differential equations by the variational principles, the finite beam element for analyzing the shear lag effect of box girders is proposed.
在变分法薄壁箱梁剪力滞基本微分方程的基础上，提出一个可考虑集中弯矩影响的分析箱梁剪力滞效应的有限梁单元。
Series solutions were derived for the in-plane strain, deflection and bending strain that satisfy the simplified boundary conditions to calculate the shear lag coefficient.
根据简化的边界条件，得到了面内应变和弯曲应变的级数解，进而求得剪力滞后系数。
Finite beam segment method is an effective way to solve the shear lag problem of statically indeterminate structure, such as continuous girder with constant cross section etc.
有限梁段法是求解超静定结构(如连续梁等)剪力滞行之有效的方法。
Based on transformed section method, shear lag effect of continuous box girder was analyzed adopting variational principle, and compared with design code and experimental result.
基于换算截面法，运用变分原理对开裂混凝土连续箱梁的剪力滞效应进行了分析，并与规范方法和试验结果进行了对比。
Based on transformed section method, shear lag effect of continuous box girder was analyzed adopting variational principle, and compared with design code and experimental result.
基于换算截面法，运用变分原理对开裂混凝土连续箱梁的剪力滞效应进行了分析，并与规范方法和试验结果进行了对比。
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